[Dangdang Announces First Quarter 2011 Results Net Revenues in Q1 2011 Increased by 53.4% Year-Over-Year General Merchandise Revenue in Q1 2011 Increased by 161.6% Year-Over-Year Beijing, China, May 20, 2011 — E-Commerce China Dangdang Inc. (“Dangdang” or the “Company”) (NYSE: DANG), a leading business-to-consumer e-commerce company in China, today announced its unaudited financial results for the first quarter ended March] [Form 6-K E-Commerce China Dangdang Inc. 4/F, Tower C, The 5th Square þ o Form 20-F TABLE OF CONTENTS EX-99.1 E-COMMERCE CHINA DANGDANG INC. Name : Conor Chia-hung Yang Title : Chief Financial Officer 2 Description 99.1 Press release regarding Dangdang’s first quarter 2011 financial results 3 6-K 1 h05115e6vk.htm 6-K]